Home / 800,107.98-1,200,424.77-327,191.10

Finding the Fourth Proportional to 800,107.98, 1,200,424.77 and 327,191.10

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Solution

The fourth proportional to 800,107.98, 1,200,424.77 and 327,191.10 is: 490,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,107.98 : 1,200,424.77 = 327,191.10 : x
  2. Step 2: Convert to fraction form
    800,107.98/1,200,424.77 = 327,191.10/x
  3. Step 3: Cross multiply
    800,107.98x = 1,200,424.77 × 327,191.10
  4. Step 4: Simplify right side
    800,107.98x = 392,768,300,963.55
  5. Step 5: Solve for x
    x = 392,768,300,963.55/800,107.98
  6. Step 6: Final answer
    x = 490,894.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.